in speed.rst:
- add startup time increase info when spiram test is enabled
- add startup time increase info when spiram is enabled and
poisoning comprehensive is enabled
- add L2 cache variable size info to optimize IRAM space / cache misses
- update sections refencing bluetooth/wifi built-in tasks to not show
related info for p4 targets.
- Add IDF_TARGET_RF_TYPE for esp32c5
in ram-usage.rst:
- add L2 cache variable size info to maximize RAM space
Remove the files from esp32c5.txt and esp32p4.txt
that are no longer in need of update.